Mathematics, 13.02.2021 01:00 tlecuyer
Systems of Equations and Inequalities 2020-2021 / 5 of 18
Two students were shopping for school supplies. They need spirals which cost x dollars and pens which cost y dollars. One student bought
2 spirals and 3 pens for $8.66. Another student bought 4 spirals and 5 pens for $15.20. Find the unit cost of a spiral.
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Answers: 1
Mathematics, 21.06.2019 19:30
Now max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 1
Mathematics, 22.06.2019 02:30
In 2000 there were 100 rabbits in central park the population increased by 16% each year ? write a function to illustrate the situation. how many rabbits were in central park in 2005 . predict how many rabbits there will be at the end of this year we are in 2018?
Answers: 1
Mathematics, 22.06.2019 04:00
Factor these polynomials and explain how 1. 12x - 3x^2 2. 20 - 240x^2
Answers: 2
Systems of Equations and Inequalities 2020-2021 / 5 of 18
Two students were shopping for school sup...
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